This part is a kind of semiconductor called LTD6410G.

Function of this product has (LTD-6xxxx) Numeric LED Display.

Manufacturers : LITE-ON Electronics

Image and pinout :

Some of the text within the PDF file :

0.56" Seven-Segment Numeric LED Displays LTS-6000 LTD-6000 Series LTC-561/571 LTC-5623/5723 Features DISPLAYS 9-157 0.56 inch (14.2mm) digit height Choices of six bright colors-AlGaAs red/bright red/green/yellow/red orange/high efficiency red. Low power requirement. Excellent characters appearance. Categorized for luminous intensity. I.C. compatiable. Easy mounting on P.C. board or socket. Description The LTS-6000, LTD-6000, LTC-561/571 LTC-5623/5723 series are 0.56 inch (14.2mm) height single, dual, triple and quadruple digit displays.Bright red displays have black face and red segments. AlGaAs red, green and yellow displays have gray face and white segments. Red orange displays have orange face and orange segments. High efficiency red displays have red face and red [ ... ]

LTD6410G PDF Datasheet Download